content: /* ===========================================================
   * JFreeChart : a free chart library for the Java(tm) platform
   * ===========================================================
   *
   * (C) Copyright 2000-2012, by Object Refinery Limited and Contributors.
   *
   * Project Info:  http://www.jfree.org/jfreechart/index.html
   *
   * This library is free software; you can redistribute it and/or modify it
   * under the terms of the GNU Lesser General Public License as published by
   * the Free Software Foundation; either version 2.1 of the License, or
   * (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
   * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
   * License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
   * USA.
   *
   * [Oracle and Java are registered trademarks of Oracle and/or its affiliates.
   * Other names may be trademarks of their respective owners.]
   *
   * -----------------
   * QuarterTests.java
   * -----------------
   * (C) Copyright 2001-2008, by Object Refinery Limited.
   *
   * Original Author:  David Gilbert (for Object Refinery Limited);
   * Contributor(s):   -;
   *
   * Changes
   * -------
   * 16-Nov-2001 : Version 1 (DG);
   * 17-Oct-2002 : Fixed errors reported by Checkstyle (DG);
   * 13-Mar-2003 : Added serialization test (DG);
   * 11-Jan-2005 : Added check for non-clonability (DG);
   * 05-Oct-2006 : Added some new tests (DG);
   * 11-Jul-2007 : Fixed bad time zone assumption (DG);
   *
   */
  
  package org.jfree.data.time;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import java.io.ByteArrayInputStream;
  import java.io.ByteArrayOutputStream;
  import java.io.IOException;
  import java.io.ObjectInput;
  import java.io.ObjectInputStream;
  import java.io.ObjectOutput;
  import java.io.ObjectOutputStream;
  import java.util.Calendar;
  import java.util.Date;
  import java.util.GregorianCalendar;
  import java.util.Locale;
  import java.util.TimeZone;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.fail;
  
  /**
   * Tests for the {link Quarter} class.
   */
  public class QuarterTest  {
  
      /** A quarter. */
      private Quarter q1Y1900;
  
      /** A quarter. */
      private Quarter q2Y1900;
  
      /** A quarter. */
      private Quarter q3Y9999;
  
      /** A quarter. */
      private Quarter q4Y9999;
  
  
  
  
  
      /**
       * Common test setup.
       */
      @BeforeEach
      public void setUp() {
          this.q1Y1900 = new Quarter(1, 1900);
          this.q2Y1900 = new Quarter(2, 1900);
          this.q3Y9999 = new Quarter(3, 9999);
          this.q4Y9999 = new Quarter(4, 9999);
      }
  
      /**
       * Check that a Quarter instance is equal to itself.
       *
       * SourceForge Bug ID: 558850.
       */
      @Test
      public void testEqualsSelf() {
          Quarter quarter = new Quarter();
          assertEquals(quarter, quarter);
      }
  
      /**
       * Tests the equals method.
       */
      @Test
      public void testEquals() {
          Quarter q1 = new Quarter(2, 2002);
          Quarter q2 = new Quarter(2, 2002);
          assertEquals(q1, q2);
      }
  
      /**
       * In GMT, the end of Q1 2002 is java.util.Date(1017619199999L).  Use this
       * to check the quarter constructor.
       */
      @Test
      public void testDateConstructor1() {
  
          TimeZone zone = TimeZone.getTimeZone("GMT");
          Calendar c = new GregorianCalendar(zone);
          Quarter q1 = new Quarter(new Date(1017619199999L), zone, Locale.getDefault());
          Quarter q2 = new Quarter(new Date(1017619200000L), zone, Locale.getDefault());
  
          assertEquals(1, q1.getQuarter());
          assertEquals(1017619199999L, q1.getLastMillisecond(c));
  
          assertEquals(2, q2.getQuarter());
          assertEquals(1017619200000L, q2.getFirstMillisecond(c));
  
      }
  
      /**
       * In Istanbul, the end of Q1 2002 is java.util.Date(1017608399999L).  Use
       * this to check the quarter constructor.
       */
      @Test
      public void testDateConstructor2() {
  
          TimeZone zone = TimeZone.getTimeZone("Europe/Istanbul");
          Calendar c = new GregorianCalendar(zone);
          Quarter q1 = new Quarter(new Date(1017608399999L), zone, Locale.getDefault());
          Quarter q2 = new Quarter(new Date(1017608400000L), zone, Locale.getDefault());
  
          assertEquals(1, q1.getQuarter());
          assertEquals(1017608399999L, q1.getLastMillisecond(c));
  
          assertEquals(2, q2.getQuarter());
          assertEquals(1017608400000L, q2.getFirstMillisecond(c));
  
      }
  
      /**
       * Set up a quarter equal to Q1 1900.  Request the previous quarter, it
       * should be null.
       */
      @Test
      public void testQ1Y1900Previous() {
          Quarter previous = (Quarter) this.q1Y1900.previous();
          assertNull(previous);
      }
  
      /**
       * Set up a quarter equal to Q1 1900.  Request the next quarter, it should
       * be Q2 1900.
       */
      @Test
      public void testQ1Y1900Next() {
          Quarter next = (Quarter) this.q1Y1900.next();
          assertEquals(this.q2Y1900, next);
      }
  
      /**
       * Set up a quarter equal to Q4 9999.  Request the previous quarter, it
       * should be Q3 9999.
       */
      @Test
      public void testQ4Y9999Previous() {
          Quarter previous = (Quarter) this.q4Y9999.previous();
          assertEquals(this.q3Y9999, previous);
      }
  
      /**
       * Set up a quarter equal to Q4 9999.  Request the next quarter, it should
       * be null.
       */
      @Test
      public void testQ4Y9999Next() {
          Quarter next = (Quarter) this.q4Y9999.next();
          assertNull(next);
      }
  
      /**
       * Test the string parsing code...
       */
      @Test
      public void testParseQuarter() {
  
          Quarter quarter = Quarter.parseQuarter("Q1-2000");
  
          assertEquals(1, quarter.getQuarter());
          assertEquals(2000, quarter.getYear().getYear());
  
  
          quarter = Quarter.parseQuarter("2001-Q2");
  
          assertEquals(2, quarter.getQuarter());
          assertEquals(2001, quarter.getYear().getYear());
  
          // test 3...
  
          quarter = Quarter.parseQuarter("Q3, 2002");
  
          assertEquals(3, quarter.getQuarter());
          assertEquals(2002, quarter.getYear().getYear());
  
      }
  
      /**
       * Serialize an instance, restore it, and check for equality.
       */
      @Test
      public void testSerialization() throws IOException, ClassNotFoundException {
  
          Quarter q1 = new Quarter(4, 1999);
  
  
              ByteArrayOutputStream buffer = new ByteArrayOutputStream();
              ObjectOutput out = new ObjectOutputStream(buffer);
              out.writeObject(q1);
              out.close();
  
              ObjectInput in = new ObjectInputStream(
                  new ByteArrayInputStream(buffer.toByteArray())
              );
              Quarter q2 = (Quarter) in.readObject();
              in.close();
  
          assertEquals(q1, q2);
  
      }
  
      /**
       * Two objects that are equal are required to return the same hashCode.
       */
      @Test
      public void testHashcode() {
          Quarter q1 = new Quarter(2, 2003);
          Quarter q2 = new Quarter(2, 2003);
          assertEquals(q1, q2);
          int h1 = q1.hashCode();
          int h2 = q2.hashCode();
          assertEquals(h1, h2);
      }
  
      /**
       * The {@link Quarter} class is immutable, so should not be
       * {@link Cloneable}.
       */
      @Test
      public void testNotCloneable() {
          Quarter q = new Quarter(2, 2003);
          assertFalse(q instanceof Cloneable);
      }
  
      /**
       * Some tests for the constructor with (int, int) arguments.  Covers bug
       * report 1377239.
       */
      @Test
      public void testConstructor() {
          try {
              /*Quarter q =*/ new Quarter(0, 2005);
              fail("IllegalArgumentException should have been thrown from 0 querter");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Quarter outside valid range.", e.getMessage());
          }
  
          try {
              /*Quarter q =*/ new Quarter(5, 2005);
              fail("IllegalArgumentException should have been thrown from 5 quarter");
          }
          catch (IllegalArgumentException e) {
              assertEquals("Quarter outside valid range.", e.getMessage());
          }
      }
  
      /**
       * Some checks for the getFirstMillisecond() method.
       */
      @Test
      public void testGetFirstMillisecond() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          TimeZone savedZone = TimeZone.getDefault();
          TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
          Quarter q = new Quarter(3, 1970);
          assertEquals(15634800000L, q.getFirstMillisecond());
          Locale.setDefault(saved);
          TimeZone.setDefault(savedZone);
      }
  
      /**
       * Some checks for the getFirstMillisecond(TimeZone) method.
       */
      @Test
      public void testGetFirstMillisecondWithTimeZone() {
          Quarter q = new Quarter(2, 1950);
          TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
          Calendar c = new GregorianCalendar(zone);
          assertEquals(-623347200000L, q.getFirstMillisecond(c));
  
          // try null calendar
          try {
              q.getFirstMillisecond(null);
              fail("NullPointerException should have been thrown on null parameter");
          }
          catch (NullPointerException e) {
              //we expect to go in here
          }
      }
  
      /**
       * Some checks for the getFirstMillisecond(TimeZone) method.
       */
      @Test
      public void testGetFirstMillisecondWithCalendar() {
          Quarter q = new Quarter(1, 2001);
          GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
          calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
          assertEquals(978307200000L, q.getFirstMillisecond(calendar));
  
          // try null calendar
          try {
              q.getFirstMillisecond(null);
              fail("NullPointerException should have been thrown on null parameter");
          }
          catch (NullPointerException e) {
              //we expect to go in here
          }
      }
  
      /**
       * Some checks for the getLastMillisecond() method.
       */
      @Test
      public void testGetLastMillisecond() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.UK);
          TimeZone savedZone = TimeZone.getDefault();
          TimeZone.setDefault(TimeZone.getTimeZone("Europe/London"));
          Quarter q = new Quarter(3, 1970);
          assertEquals(23583599999L, q.getLastMillisecond());
          Locale.setDefault(saved);
          TimeZone.setDefault(savedZone);
      }
  
      /**
       * Some checks for the getLastMillisecond(TimeZone) method.
       */
      @Test
      public void testGetLastMillisecondWithTimeZone() {
          Quarter q = new Quarter(2, 1950);
          TimeZone zone = TimeZone.getTimeZone("America/Los_Angeles");
          Calendar c = new GregorianCalendar(zone);
          assertEquals(-615488400001L, q.getLastMillisecond(c));
  
          // try null calendar
          try {
              q.getLastMillisecond(null);
              fail("NullPointerException should have been thrown with null parameter");
          }
          catch (NullPointerException e) {
              // we expect to go in here
          }
      }
  
      /**
       * Some checks for the getLastMillisecond(TimeZone) method.
       */
      @Test
      public void testGetLastMillisecondWithCalendar() {
          Quarter q = new Quarter(3, 2001);
          GregorianCalendar calendar = new GregorianCalendar(Locale.GERMANY);
          calendar.setTimeZone(TimeZone.getTimeZone("Europe/Frankfurt"));
          assertEquals(1001894399999L, q.getLastMillisecond(calendar));
  
          // try null calendar
          try {
              q.getLastMillisecond(null);
              fail("NullPointerException should have been thrown by null parameter");
          }
          catch (NullPointerException e) {
              //we expect to go in here
          }
      }
  
      /**
       * Some checks for the getSerialIndex() method.
       */
      @Test
      public void testGetSerialIndex() {
          Quarter q = new Quarter(1, 2000);
          assertEquals(8001L, q.getSerialIndex());
          q = new Quarter(1, 1900);
          assertEquals(7601L, q.getSerialIndex());
      }
  
      /**
       * Some checks for the testNext() method.
       */
      @Test
      public void testNext() {
          Quarter q = new Quarter(1, 2000);
          q = (Quarter) q.next();
          assertEquals(new Year(2000), q.getYear());
          assertEquals(2, q.getQuarter());
          q = new Quarter(4, 9999);
          assertNull(q.next());
      }
  
      /**
       * Some checks for the getStart() method.
       */
      @Test
      public void testGetStart() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.ITALY);
          Calendar cal = Calendar.getInstance(Locale.ITALY);
          cal.set(2006, Calendar.JULY, 1, 0, 0, 0);
          cal.set(Calendar.MILLISECOND, 0);
          Quarter q = new Quarter(3, 2006);
          assertEquals(cal.getTime(), q.getStart());
          Locale.setDefault(saved);
      }
  
      /**
       * Some checks for the getEnd() method.
       */
      @Test
      public void testGetEnd() {
          Locale saved = Locale.getDefault();
          Locale.setDefault(Locale.ITALY);
          Calendar cal = Calendar.getInstance(Locale.ITALY);
          cal.set(2006, Calendar.MARCH, 31, 23, 59, 59);
          cal.set(Calendar.MILLISECOND, 999);
          Quarter q = new Quarter(1, 2006);
          assertEquals(cal.getTime(), q.getEnd());
          Locale.setDefault(saved);
      }
  }
  